Semicircular doormat



FIG. 1 is a top plan view of a doormat showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a first side elevational view thereof;

FIG. 4 is a second side elevational view thereof; and,

FIG. 5 is an end elevational view. 

The ornamental design for a semicircular doormat, as shown. 